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1998 GMC VS, ECM/Inputs/Outputs Waveform
Return to idle during warm-up. LTFT and STFT return to 0% and mixture returns to rich
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| Engine | 3.8 L / 6 cyl |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
Vehicle Data
1998 GMC VS 3.8L
| Engine | 3.8 L / 6 cyl |
| Delivery | Fuel Injection |
| Subsystem | ECM/Inputs/Outputs |
| Component | Other |
| Condition | Known Good |
Video